更新时间：2018-06-04 15:32作者：李一老师
C.TheyhaveloweredtheirCOlevelsinfortycities.
D.Theyhavereducedpollutionthrougheffectivemeasures.
8.Whatisespeciallyimportantforenvironmentalprotectionaccordingtothelastparagraph?
A.Education
B.Planning
C.Greenliving
D.COreduction
C
Oneofthelatesttrend（趋势）inAmericanChildcareisChineseaupairs.AuPairinStamford,forexample,hasgotincreasingnumbersofrequestforChineseaupairsfromaerotoaround4,000since2004.Andthat’strueallacrossthecountry.
“IthoughtitwouldbeusefulforhimtolearnChineseatanearlyage”JosephStocke,themanagingdirectorofscompany,saysofhis2-yearoldson.“I